CN209648363U - Metal covering rotary-grinding device - Google Patents
Metal covering rotary-grinding device Download PDFInfo
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- CN209648363U CN209648363U CN201821879533.1U CN201821879533U CN209648363U CN 209648363 U CN209648363 U CN 209648363U CN 201821879533 U CN201821879533 U CN 201821879533U CN 209648363 U CN209648363 U CN 209648363U
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- core
- wall
- inner housing
- housing
- grinding device
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Abstract
The utility model discloses a kind of metal covering rotary-grinding device, including outer housing, inner housing, core and swivel head, the inner housing is located in outer housing, the core is rotatably set in inner housing, the swivel head and core installation connect, the inner and outer wall of the inner housing is cylindrical surface, several air inlets are provided on the intracorporal annular groove inner wall of first chamber, the central axis of the core, which is overlapped on the inner wall in the pedestal portion with the central axis on inner housing outer wall cylindrical surface, has an annular groove, this annular groove has been embedded in an annular baffle, this annular baffle is located at below lower bearing and connects with lower bearing, a washer is set in the lower shaft portion of the core, this washer is embedded in the through-hole of step upper surface, and the upper surface of washer is higher than the upper surface of step.The setting of the utility model sealing ring, further such that core and external environs, prevent external dust, in air steam influence, extend component service life.
Description
Technical field
The utility model relates to a kind of metal covering rotary-grinding devices, belong to Electronic product precision part processing technique field.
Background technique
Surface structure part/accessory of most of mobile phone, laptop is using metal material, metal material currently on the market
Molding mainly have a modes such as aluminium extruded, die casting, forging and stamping, no matter which kind of molding mode, CNC machining center is both needed to after molding and is added
Work, due to that, there are the bad orders phenomenon such as knife mark, scuffing, need to be passivated to workpiece, sanding and polishing, spray in CNC process
A series of appearance reprocessing such as painting, anodic oxidation.And in the grinding process, the consumption of grinding head is very serious, needs often
Replacement, had not only reduced the efficiency of production but also had improved the cost of processing.
Utility model content
The purpose of the utility model is to provide a kind of metal covering rotary-grinding device, inside and outside the metal covering rotary-grinding device
The combination settings of shell and core, clever structure, gas enter inner housing by the first cavity, blow driving blade, driving blade
Core rotation is driven, is discharged using the second cavity, the rotation of core drives swivel head rotation, realizes automatically grinding, structure letter
It is single, easy to use.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of metal covering rotary-grinding device, including
Outer housing, inner housing, core and swivel head, the inner housing are located in outer housing, and the core is rotatably set to inner casing
In vivo, the swivel head and core installation connect；
The inner and outer wall of the inner housing is cylindrical surface, the central axis and inner casing on inner housing outer wall cylindrical surface
It the centerline axis parallel on internal wall cylindrical surface and is not overlapped, so that the wall thickness of inner housing is gradually incremented by upwards in semi-circumference,
There are two annular grooves disposed in parallel for tool on the inner housing outer wall, to form the first parallel protrusion on interior housing exterior walls
Portion, the second lug boss and third protrusion portion, the inner housing outer wall are connect with outer housing inner wall close-fitting, thus outer housing with it is interior
The first cavity and the second cavity are formed between two annular grooves of shell, if being provided on the intracorporal annular groove inner wall of first chamber
Dry air inlet is provided with several air outlets on the intracorporal annular groove inner wall of the second chamber；
The central axis of the core is overlapped with the central axis on inner housing outer wall cylindrical surface, and the core includes upper axis
Portion, driving portion and lower shaft portion, this core are rotatably installed in outer housing by top chock, step, the upper axis
It holds a lower surface and inner housing top surface connects, the step is set in outer housing and is located at below inner housing, institute
It states and is circumferentially equidistantly provided with several blade grooves on core, driving blade, the outer housing have been respectively embedded into this blade groove
On be provided with air inlet and air outlet, the air inlet and the first cavity penetrate through, and the gas outlet and the second cavity penetrate through；
The step further comprises the lower bearing in pedestal portion and insertion pedestal portion, on the inner wall in the pedestal portion
With an annular groove, this annular groove has been embedded in an annular baffle, this annular baffle is located at below lower bearing and and lower axle
Hold contact connectio；
A washer is set in the lower shaft portion of the core, this washer is embedded in the through-hole of step upper surface, and is padded
The upper surface of circle is higher than the upper surface of step.
Further improved scheme is as follows in above-mentioned technical proposal:
1. in above scheme, in the upper axle portion insertion top chock of the core, the lower shaft portion of the core is embedded in lower axle
It holds in seat, the driving part is in inner housing.
2. in above scheme, the swivel head is installed in the lower shaft portion of core.
3. in above scheme, the central axis of the inner housing outer wall cylinder is located in inner housing inner wall.
4. in above scheme, first lug boss, the second lug boss, third protrusion portion are arranged at equal intervals.
5. in above scheme, several air inlets are two bar shaped air inlets disposed in parallel.
6. in above scheme, several air outlets are three bar shaped air outlets disposed in parallel, and three bar shaped outlet air
Mouth is staggered in the vertical direction.
7. in above scheme, being connected between the top chock and inner housing by a bolt.
8. in above scheme, there is internal screw thread, the interconnecting piece insertion outer housing of a top cover is simultaneously at the outer housing upper opening
It is threadedly coupled with outer housing.
9. in above scheme, a sealing ring is provided between the top cover and outer housing.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the combination settings of the utility model metal covering rotary-grinding device, inner and outer shell and core, clever structure, gas
Entering inner housing by the first cavity, blows driving blade, driving blade drives core rotation, is discharged using the second cavity,
The rotation of core drives swivel head rotation, realizes automatically grinding, and structure is simple, easy to use；In addition, its step is further
Including the lower bearing in pedestal portion and insertion pedestal portion, there is an annular groove, this annular groove on the inner wall in the pedestal portion
It is embedded in an annular baffle, this annular baffle is located at below lower bearing and connects with lower bearing, using baffle by bearing
It is packed into the pedestal portion of bearing block, the convenient dismounting to bearing, when bearing loss needs replacing, it is only necessary to from the lower section of grinding head
Bearing is split out, without separating the inner and outer shell above it, is avoided between inner and outer shell because multiple dismantles and nothing
The case where method is fitted close completely ensure that the sealing effect of enclosure interior, be further ensured that the stability to swivel head driving.
2, the utility model metal covering rotary-grinding device is set with a washer in the lower shaft portion of core, this washer is embedding
In the through-hole for entering step upper surface, and the upper surface of washer be higher than step upper surface, the setting of washer so that under
Have small gap without contacting between bearing block upper surface and the driving portion of core and the lower surface of driving blade, it can be effective
The abrasion in rotary course to core driving portion and blade is prevented, extends the time that it is used and does not have to often replacement, improve life
Produce efficiency, save the cost；In addition, between its top chock and inner housing by a bolt connect, the setting of pin, further plus
The strong stability connected between top chock and inner housing prevents bearing block from situations such as deviation occur and influences the rotation of core
Angle guarantees that core drives swivel head to rotate around vertical direction, to guarantee the precision of polishing.
3, the utility model metal covering rotary-grinding device has internal screw thread, the company of a top cover at outer housing upper opening
Socket part insertion outer housing is simultaneously threadedly coupled with outer housing, and the setting of top cover, structure is simple, and the convenient dismounting to component is protected simultaneously
The internal structures such as shield core are not influenced by external dust etc., extend the service life of component；In addition, its top cover and outer housing it
Between be provided with a sealing ring, the setting of sealing ring, further such that core and external environs, prevent external dust, air
The influence of middle steam extends component service life.
Detailed description of the invention
Attached drawing 1 is the utility model metal covering rotary-grinding device partial structure sectional view one；
Attached drawing 2 is inner shell structure schematic diagram in the utility model metal covering rotary-grinding device；
Attached drawing 3 is core structural schematic diagram in the utility model metal covering rotary-grinding device；
Attached drawing 4 is the utility model metal covering rotary-grinding device partial structure sectional view two；
Attached drawing 5 is the utility model metal covering rotary-grinding device China and foreign countries schematic diagram of housing structure.
In the figures above: 1, outer housing；2, inner housing；3, core；4, swivel head；5, annular groove；601, the first lug boss；
602, the second lug boss；603, third protrusion portion；7, top cover；8, the first cavity；9, the second cavity；101, air inlet；102, go out
Air port；11, upper axle portion；12, driving portion；13, lower shaft portion；14, top chock；15, step；151, pedestal portion；152, under
Bearing；16, bolt；17, blade groove；18, driving blade；19, air inlet；20, gas outlet；21, sealing ring；27, washer；36,
Annular baffle.
Specific embodiment
Embodiment 1: a kind of metal covering rotary-grinding device, including outer housing 1, inner housing 2, core 3 and swivel head 4, institute
It states inner housing 2 to be located in outer housing 1, the core 3 is rotatably set in inner housing 2, and the swivel head 4 is pacified with core 3
Load connects；
The inner and outer wall of the inner housing 2 is cylindrical surface, the central axis on the 2 outer wall cylindrical surface of inner housing with it is interior
It the centerline axis parallel on 2 inner wall cylindrical surface of shell and is not overlapped, so that the wall thickness of inner housing 2 is gradually passed upwards in semi-circumference
Increase, there are two annular grooves 5 disposed in parallel for tool on 2 outer wall of inner housing, to form parallel the on 2 outer wall of inner housing
One lug boss 601, the second lug boss 602 and third protrusion portion 603,2 outer wall of inner housing and 1 inner wall close-fitting of outer housing connect
It connects, to form the first cavity 8 and the second cavity 9, first chamber between outer housing 1 and two annular grooves 5 of inner housing 2
It is provided with several air inlets 101 on 5 inner wall of annular groove in body 8, is provided on 5 inner wall of annular groove in second cavity 9 several
Air outlet 102；
The central axis of the core 3 is overlapped with the central axis on 2 outer wall cylindrical surface of inner housing, and the core 3 includes upper
Axle portion 11, driving portion 12 and lower shaft portion 13, this core 3 are rotatably installed on shell by top chock 14, step 15
In body 1,14 lower surface of top chock and 2 top surface of inner housing are connected, and the step 15 is set in outer housing 1
And it is located at 2 lower section of inner housing, several blade grooves 17 are circumferentially equidistantly provided on the core 3, in this blade groove 17 respectively
It is embedded with driving blade 18, air inlet 19 and gas outlet 20, the air inlet 19 and the first cavity are provided on the outer housing 1
8 perforations, the gas outlet 20 and the second cavity 9 penetrate through；
The step 15 further comprises the lower bearing 152 in pedestal portion 151 and insertion pedestal portion 151, the seat
There is an annular groove, this annular groove has been embedded in an annular baffle 36, this annular baffle 36 is located on the inner wall in body portion 151
152 lower section of lower bearing is simultaneously connected with lower bearing 152, is set with a washer 27, this washer in the lower shaft portion 13 of the core 3
In the through-hole of 27 insertion 15 upper surfaces of step, and the upper surface of washer 27 is higher than the upper surface of step 15.
The upper axle portion 11 of above-mentioned core 3 is embedded in top chock 14, and the lower shaft portion 13 of above-mentioned core 3 is embedded in step 15
Interior, above-mentioned driving portion 12 is located in inner housing 2；Above-mentioned swivel head 4 is installed in the lower shaft portion 13 of core 3；On above-mentioned outer housing 1
Opening has internal screw thread, and the interconnecting piece insertion outer housing 1 of a top cover 7 is simultaneously threadedly coupled with outer housing 1；Above-mentioned top cover 7 with it is outer
A sealing ring 21 is provided between shell 1.
Embodiment 2: a kind of metal covering rotary-grinding device, including outer housing 1, inner housing 2, core 3 and swivel head 4, institute
It states inner housing 2 to be located in outer housing 1, the core 3 is rotatably set in inner housing 2, and the swivel head 4 is pacified with core 3
Load connects；
The inner and outer wall of the inner housing 2 is cylindrical surface, the central axis on the 2 outer wall cylindrical surface of inner housing with it is interior
It the centerline axis parallel on 2 inner wall cylindrical surface of shell and is not overlapped, so that the wall thickness of inner housing 2 is gradually passed upwards in semi-circumference
Increase, there are two annular grooves 5 disposed in parallel for tool on 2 outer wall of inner housing, to form parallel the on 2 outer wall of inner housing
One lug boss 601, the second lug boss 602 and third protrusion portion 603,2 outer wall of inner housing and 1 inner wall close-fitting of outer housing connect
It connects, to form the first cavity 8 and the second cavity 9, first chamber between outer housing 1 and two annular grooves 5 of inner housing 2
It is provided with several air inlets 101 on 5 inner wall of annular groove in body 8, is provided on 5 inner wall of annular groove in second cavity 9 several
Air outlet 102；
The central axis of the core 3 is overlapped with the central axis on 2 outer wall cylindrical surface of inner housing, and the core 3 includes upper
Axle portion 11, driving portion 12 and lower shaft portion 13, this core 3 are rotatably installed on shell by top chock 14, step 15
In body 1,14 lower surface of top chock and 2 top surface of inner housing are connected, and the step 15 is set in outer housing 1
And it is located at 2 lower section of inner housing, several blade grooves 17 are circumferentially equidistantly provided on the core 3, in this blade groove 17 respectively
It is embedded with driving blade 18, air inlet 19 and gas outlet 20, the air inlet 19 and the first cavity are provided on the outer housing 1
8 perforations, the gas outlet 20 and the second cavity 9 penetrate through；
The step 15 further comprises the lower bearing 152 in pedestal portion 151 and insertion pedestal portion 151, the seat
There is an annular groove, this annular groove has been embedded in an annular baffle 36, this annular baffle 36 is located on the inner wall in body portion 151
152 lower section of lower bearing is simultaneously connected with lower bearing 152, is set with a washer 27, this washer in the lower shaft portion 13 of the core 3
In the through-hole of 27 insertion 15 upper surfaces of step, and the upper surface of washer 27 is higher than the upper surface of step 15.
The central axis of above-mentioned 2 outer wall cylinder of inner housing is located in 2 inner wall of inner housing；Above-mentioned first lug boss 601, second
Lug boss 602, third protrusion portion 603 are arranged at equal intervals；Above-mentioned several air inlets 101 are two bar shaped air inlets disposed in parallel
Mouthful；Above-mentioned several air outlets 102 are three bar shaped air outlets disposed in parallel, and three bar shaped air outlets are handed in the vertical direction
Mistake setting；It is connected between above-mentioned top chock 14 and inner housing 2 by a bolt 16；Have at above-mentioned 1 upper opening of outer housing interior
Screw thread, the interconnecting piece insertion outer housing 1 of a top cover 7 are simultaneously threadedly coupled with outer housing 1；It is arranged between above-mentioned top cover 7 and outer housing 1
There is a sealing ring 21.
When using above-mentioned metal covering rotary-grinding device, the combination settings of inner and outer shell and core, clever structure, gas warp
It crosses the first cavity and enters inner housing, blow driving blade, driving blade drives core rotation, is discharged using the second cavity, core
The rotation of body drives swivel head rotation, realizes automatically grinding, and structure is simple, easy to use；In addition, it uses baffle to fill bearing
Enter the pedestal portion of bearing block, the convenient dismounting to bearing, when bearing loss needs replacing, it is only necessary to will from the lower section of grinding head
Bearing is split out, it is not necessary that the inner and outer shell above it is separated, avoid between inner and outer shell because multiple dismantle and can not
The case where being fitted close completely, ensure that the sealing effect of enclosure interior, be further ensured that the stability to swivel head driving；
In addition, the setting of its washer, so that the lower surface of the driving portion and driving blade of step upper surface and core
Between have small gap without contact, the abrasion to core driving portion and blade can be effectively prevent in rotary course, extend
Its time used and do not have to often replacement, improve production efficiency, save the cost；In addition, the setting of its pin, further strengthens
The stability connected between top chock and inner housing, prevents bearing block from situations such as deviation occur and influences the rotation angle of core
Degree guarantees that core drives swivel head to rotate around vertical direction, to guarantee the precision of polishing；
In addition, the setting of its top cover, structure is simple, the convenient dismounting to component, while protecting the internal structures such as core not
It is influenced by external dust etc., extends the service life of component；In addition, the setting of its sealing ring, further such that core and outer
The isolation of portion's environment, prevent external dust, in air steam influence, extend component service life.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of metal covering rotary-grinding device, it is characterised in that: including outer housing (1), inner housing (2), core (3) and rotation
Head (4), the inner housing (2) are located in outer housing (1), and the core (3) is rotatably set in inner housing (2), described
Swivel head (4) and core (3) installation connect；
The inner and outer wall of the inner housing (2) is cylindrical surface, the central axis on inner housing (2) the outer wall cylindrical surface with it is interior
The centerline axis parallel on shell (2) inner wall cylindrical surface and be not overlapped so that the wall thickness of inner housing (2) semi-circumference upwards by
Gradually it is incremented by, there are two annular groove disposed in parallel (5) for tool on inner housing (2) outer wall, thus the shape on inner housing (2) outer wall
At parallel the first lug boss (601), the second lug boss (602) and third protrusion portion (603), inner housing (2) outer wall with
Outer housing (1) inner wall close-fitting connection, to form the first chamber between outer housing (1) and two annular grooves (5) of inner housing (2)
Body (8) and the second cavity (9) are provided with several air inlets (101) on annular groove (5) inner wall in first cavity (8), described
Several air outlets (102) are provided on annular groove (5) inner wall in second cavity (9)；
The central axis of the core (3) is overlapped with the central axis on inner housing (2) outer wall cylindrical surface, and the core (3) includes
Upper axle portion (11), driving portion (12) and lower shaft portion (13), this core (3) can be turned by top chock (14), step (15)
Dynamic is installed in outer housing (1), and top chock (14) lower surface and inner housing (2) top surface connect, the lower axle
It holds seat (15) to be set in outer housing (1) and be located at below inner housing (2), be circumferentially equidistantly provided on the core (3)
Several blade grooves (17), this blade groove (17) is interior to be respectively embedded into driving blade (18), is provided with air inlet on the outer housing (1)
Mouth (19) and gas outlet (20), the air inlet (19) and the first cavity (8) penetrate through, the gas outlet (20) and the second cavity
(9) it penetrates through；
The step (15) further comprises the lower bearing (152) in pedestal portion (151) and insertion pedestal portion (151), institute
Stating has an annular groove on the inner wall of pedestal portion (151), this annular groove has been embedded in an annular baffle (36), this annular gear
Piece (36) is located at below lower bearing (152) and connects with lower bearing (152)；
A washer (27) are set in the lower shaft portion (13) of the core (3), this washer (27) is embedded in table on step (15)
In the through-hole in face, and the upper surface of washer (27) is higher than the upper surface of step (15).
2. metal covering rotary-grinding device according to claim 1, it is characterised in that: the upper axle portion of the core (3)
(11) in insertion top chock (14), in lower shaft portion (13) insertion step (15) of the core (3), the driving portion
(12) it is located in inner housing (2).
3. metal covering rotary-grinding device according to claim 1, it is characterised in that: the swivel head (4) is installed on core
In the lower shaft portion (13) of body (3).
4. metal covering rotary-grinding device according to claim 1, it is characterised in that: inner housing (2) the outer wall cylinder
Central axis be located in inner housing (2) inner wall.
5. metal covering rotary-grinding device according to claim 1, it is characterised in that: first lug boss (601),
Two lug bosses (602), third protrusion portion (603) are arranged at equal intervals.
6. metal covering rotary-grinding device according to claim 1, it is characterised in that: several air inlets (101) are
Two bar shaped air inlets disposed in parallel.
7. metal covering rotary-grinding device according to claim 1, it is characterised in that: several air outlets (102) are
Three bar shaped air outlets disposed in parallel, and three bar shaped air outlets are staggered in the vertical direction.
8. metal covering rotary-grinding device according to claim 1, it is characterised in that: the top chock (14) and inner casing
It is connected between body (2) by a bolt (16).
9. metal covering rotary-grinding device according to claim 1, it is characterised in that: at outer housing (1) upper opening
With internal screw thread, interconnecting piece insertion outer housing (1) of a top cover (7) is simultaneously threadedly coupled with outer housing (1).
10. metal covering rotary-grinding device according to claim 9, it is characterised in that: the top cover (7) and outer housing
(1) sealing ring (21) are provided between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879533.1U CN209648363U (en) | 2018-11-15 | 2018-11-15 | Metal covering rotary-grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879533.1U CN209648363U (en) | 2018-11-15 | 2018-11-15 | Metal covering rotary-grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209648363U true CN209648363U (en) | 2019-11-19 |
Family
ID=68504956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821879533.1U Active CN209648363U (en) | 2018-11-15 | 2018-11-15 | Metal covering rotary-grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209648363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558897A (en) * | 2020-05-11 | 2020-08-21 | 沈阳航空航天大学 | Closed driving structure for pneumatic polishing instrument |
-
2018
- 2018-11-15 CN CN201821879533.1U patent/CN209648363U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558897A (en) * | 2020-05-11 | 2020-08-21 | 沈阳航空航天大学 | Closed driving structure for pneumatic polishing instrument |
| CN111558897B (en) * | 2020-05-11 | 2022-03-22 | 沈阳航空航天大学 | Closed driving structure for pneumatic polishing instrument |
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